/**
 * Created by xiebang
 * Description
 * User:小谢
 * Date:2022-01-06
 * Time:17:47
 */
public class Mystack {
    public int[] elem;
    public int usedSize;

    public Mystack(){
        this.elem = new int[10];
    }

    public int push(int item){

    }

}
